Pore Size Distribution and Soil Water Suction Curve from Micro-tomography Measurements and Real 3-D Digital Microstructure of a Compacted Granular Media by Using Direct Numerical Simulation Technique

  • Felix H. Kim
  • Dayakar Penumadu
  • Volker P. Schulz
  • Andreas Wiegmann
Part of the Springer Series in Geomechanics and Geoengineering book series (SSGG)


Predictive measurement of capillary pressure – saturation relationship of a porous media is obtained based on the actual microstructure obtained from high resolution tomography data. X-ray micro-tomography provided a high contrast for silica phase, and actual geometry of sand particles and void distribution. The morphological opening (erosion + dilation) is used to get a pore size distribution using the concept of granulometry. Full-morphology approach is used to model the quasi-static wetting and non-wetting phase distribution of a primary drainage process. Predicted soil water suction curves for a compacted silica sand sample is presented along with the effects of assumed contact angle between water and silica surface.


Porous Medium Contact Angle Pore Size Distribution Capillary Pressure Discrete Element Method 
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Copyright information

© Springer-Verlag Berlin Heidelberg 2013

Authors and Affiliations

  • Felix H. Kim
    • 1
  • Dayakar Penumadu
    • 1
  • Volker P. Schulz
    • 2
  • Andreas Wiegmann
    • 3
  1. 1.Civil and Environmental EngineeringUniversity of TennesseeKnoxvilleUSA
  2. 2.Baden-Wuerttemberg Cooperative State UniversityMannheimGermany
  3. 3.Fraunhofer ITWMKaiserslauternGermany

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